1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16180c49cb4d07563f23753b2771880474bbdc569756e5f8b6652a9c5739a17f. Chain 2 (Bitcoin): anchored in block 953786 (2026-06-15T12:56:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d69403d9-a3fb-497d-8389-b86b22f5df3a.json and https://artists.proofprofile.net/proofs/artist/d69403d9-a3fb-497d-8389-b86b22f5df3a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Zelenka: Missa Sancti Josephi; De Profundis; In Exitu Israel
Missa Sancti Josephi, ZWV 14: No. 1 Kyrie - Christe - Kyrie
Missa Sancti Josephi, ZWV 14: No. 2 Gloria in excelsis Deo
Missa Sancti Josephi, ZWV 14: No. 3 Et in terra pax
Missa Sancti Josephi, ZWV 14: No. 4 Laudamus te
Missa Sancti Josephi, ZWV 14: No. 5 Qui tollis
Missa Sancti Josephi, ZWV 14: No. 6 Qui sedes
Missa Sancti Josephi, ZWV 14: No. 7 Quoniam tu solus sanctus
Missa Sancti Josephi, ZWV 14: No. 8 Cum Sancto Spiritus
Missa Sancti Josephi, ZWV 14: No. 9 Sanctus - Pleni sunt coeli - Osanna I
Missa Sancti Josephi, ZWV 14: No. 10 Benedictus
Missa Sancti Josephi, ZWV 14: No. 11 Osanna II
Missa Sancti Josephi, ZWV 14: No. 12 Agnus Dei I/II
Missa Sancti Josephi, ZWV 14: No. 13 Dona nobis pacem
De Profundis, ZWV 50: No. 1 De profundis
De Profundis, ZWV 50: No. 2 Si iniquitates
De Profundis, ZWV 50: No. 4 Et ipse redimet
De Profundis, ZWV 50: No. 5 Requiem aeternam
In Exitu Israel, ZWV 84: No. 1 In exitu Israel
In Exitu Israel, ZWV 84: No. 2 Simulacra gentium
In Exitu Israel, ZWV 84: No. 3 Gloria Petri
In Exitu Israel, ZWV 84: No. 4 Sicut erat
Passionsoratorium, BWV Anh. 169 (Reconstructed by Alexander Grychtolik), Pt. I: No. 8. Aria, "Verdammter Verräter, wo hast du dein Herze" (Petrus)
Bach: Passionsoratorium, BWV Anh. 169 (Reconstructed by Alexander Grychtolik)
Passionsoratorium, BWV Anh. 169 (Reconstructed by Alexander Grychtolik), Pt. I: No. 13. Aria I, "Ihr seht mich an, ihr starren Augen" (Petrus)
Passionsoratorium, BWV Anh. 169 (Reconstructed by Alexander Grychtolik), Pt. I: No. 15. Aria II, "Ich flehe dich um meiner Zähren" (Petrus)
L'Orfeo, SV 318, Act I: Vieni Imeneo, deh vieni (Live)
L'Orfeo, SV 318, Act I: Lasciate i monti, lasciate i fonti (Live)
L'Orfeo, SV 318, Act I: Lasciate i monti (Live)
L'Orfeo, SV 318, Act I: Che poi che nembo rio gravido il seno (Live)
L'Orfeo, SV 318, Act I: Ecco Orfeo (Live)
L'Orfeo, SV 318, Act II: Qui le Napee (Live)
L'Orfeo, SV 318, Act II: Ahi, caso acerbo! (3) [Live]
L'Orfeo, SV 318, Act II: Ahi, caso acerbo! (4) [Live]
L'Orfeo, SV 318, Act II: Ma dove, ah dove or sono (Live)
L'Orfeo, SV 318, Act II: Ahi, caso acerbo! (5) [Live]
L'Orfeo, SV 318, Act III: Nulla impresa per huom si tenta invano (Live)
Vom Pagen und der Königstochter, Op. 140: Ballade III. Den Runenstein in der Sommernacht
Schumann: Adventlied, Op. 71 & Vom Pagen und der Königstochter, Op. 140 - Bach: Cantata, BWV 105
Vom Pagen und der Königstochter, Op. 140: Ballade IV. Die Säle funkeln im Königsschloss
Adventlied, Op. 71: V. Noth ist es, dass du selbst hienieden
Adventlied, Op. 71: VI. O lass dein Licht auf Erden siegen
Adventlied, Op. 71: VII. Und lösch' der Zwietracht Glimmen aus
Stabat mater, Op. 95: Stanza I - Chant I - Muslim praise of God